Forget it; the Mesh Carbon is for cycling.

The Garneau Mesh Carbon Sleeveless Base Layer is supremely light, at about half the fabric weight of most jerseys. It's ultra-permeable to let a maximum amount of air flow reach your skin. The Carbon Ion Mesh material is knit to maximize wicking power and is textured on the inside to literally stand the base layer away from your skin so that there may be a micro thin cooling zone. The curvy, flat stitched seams won't chafe your sides and they give it just that touch of class.

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Solid, light, cool base layer

Familiarity: I've used it several times

Fit: Runs small

Size Bought: Large

This is a great, light-weight, breathable base layer. It doesn't have the kind of flex as other base layers, so you need to get the right size. One commenter mentions that the neck is loose, but all the LG base layers I have are like that, and I think it's intentional. I prefer the loose neck to a tourniquet choking me when I'm on the rivet.

Comment on Corry's review:

weird fit, especially neck area

Familiarity: I returned this product before using it

Fit: Runs small

Size Bought: Large

I wanted to like this, the material seemed good, good company and all, and the fit wasn't bad, once I exchanged the med size and got the large (I'm 5'11' 160), but the neck on the item is kind of bagged out, folded over even, it actually looks like an old t-shirt that's long pass it's day. Since that's the only area of the base layer you'll see, it's a major fail imho.

Comment on Jeremy B.'s review:

Never ride without it

Familiarity: I've put it through the wringer

Living in Houston, we get a mix of the hot/humid weather along with some low 30's/upper 20's mornings in the winter. This has become my base layer for riding in any temperature. The textured finish does a great job of wicking away perspiration. The LG Carbon Base Layer is very thin and light so it does not add any bulk under a jersey or bibs. The finish feels great. I think you will be very happy with this product.

Comment on John K.'s review:

Very Nice

If you are new to cycling you might think, "adding more layers to stay cooler is crazy!" But with the awesome technology of fabrics and sewing techniques these layers do just that. They make it more comfortable to ride in hot weather. I love these and have a few of them. I have ridden in 80-115 degrees F and I can tell a difference between just a jersey and pairing my jersey with one of these. They seem less sticky and much more comfortable. 5 stars.

Comment on Ian Burnett's answer:

Essential

I ride, race, and train in this top. I really like it, I really like the tight fit and how it wicks moisture off my body to keep me cool. Even on the hottest days I wear this. I feel that craft rules this category and i have many of there tops also. This is the one competes with the best. Give it a go